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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+WSPR\s+502\.400\s+Dial\s+frequency\s+\?\s*$/: 3 ]

Total 3 documents matching your query.

1. Re: LF: WSPR 502.400 Dial frequency ? (score: 1): Author: Andy Talbot <[email protected]>; Date: Mon, 26 Jan 2009 18:19:00 +0000; Some spectrum plots of the WSPR signal can be seen at http://www.g4jnt.com/wspr-spectra/ These were generated at 1500Hz using WSPR.EXE, directly converted to RF and fed via an attenuator to an SDR-IQ; /rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg01179.html (12,928 bytes)
2. LF: WSPR 502.400 Dial frequency ? (score: 1): Author: "Graham" <[email protected]>; Date: Mon, 26 Jan 2009 18:11:57 +0100; Are we to adopt 502.400 Hz USB dial frequency for WSPR ? With 1500 Hz audio centre band tone. RF mid band carrier frequency of 503.900 Hz ? With 6 hz modulation and phase continues tone side bands an; /rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg01229.html (11,434 bytes)
3. Re: LF: WSPR 502.400 Dial frequency ? (score: 1): Author: "Graham" <[email protected]>; Date: Mon, 26 Jan 2009 20:16:15 +0100; Ok all I think that's reasonable ? I will add a page to the group and post links in other news groups to it, should widen the reporting base From the recent posts I assume the beacon power will repre; /rsgb_lf_group-archives/html/rsgb_lf_group/2009-01/msg01266.html (12,102 bytes)

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